She was defeated in the second round by sixth seed Julia Görges. Paszek ended the year ranked 43. 2012: Third WTA title, second Wimbledon QF Paszek began the year at the Brisbane International where she lost in the first round to Ana Ivanovic. At Sydney, she was defeated in the first round of qualifying by Bojana Jovanovski. Ranked 45 at the Australian Open, Paszek lost in the first round to 12th seed Serena Williams. At the Qatar Open, Paszek lost in the first round to qualifier Anne Keothavong. She was defeated in the first round of qualifying at the Dubai Tennis Championships by Anastasia Rodionova. Competing at Indian Wells, she recorded her first win of the season by defeating Anastasiya Yakimova in the first round. In the second round, Paszek faced 23rd seed Lucie Šafářová and retired trailing 6–3, 3–1 due to a right wrist injury. In Miami, she was up against Anna Tatishvili in the first round. Paszek was forced to retire trailing 6–4, 4–3 due to a back injury. Paszek began clay-court season at the Estoril Open. In the first round, she lost to ninth seed Polona Hercog. At the Madrid Open, she was defeated in the first round by Spanish wildcard Sílvia Soler Espinosa. Seeded eighth at the Internationaux de Strasbourg, she had her second win of the season by defeating Alberta Brianti in the first round. She lost in the second round to Johanna Larsson. Ranked 52 at the French Open, she was defeated in the first round by 28th seed Peng Shuai. Paszek began her grass-court season at the Nottingham Trophy. As the top seed, she was defeated in the first round by Alison Riske. Seeded 12th at the Birmingham Classic, Paszek lost in the first round to Anne Keothavong. Paszek's final grass-court warm-up tournament before Wimbledon was the Eastbourne International. She advanced to her first WTA Tour final since 2010 after wins over Marina Erakovic, eighth seed Daniela Hantuchová, Tsvetana Pironkova, and fourth seed and defending champion Marion Bartoli. In the final, Paszek upset fifth seed Angelique Kerber to win her third WTA title. Paszek was 3–5 down in the final set and saved five championship points. Ranked 37 at the Wimbledon Championships, she upset former world No. 1 and seventh seed, Caroline Wozniacki, in the first round. This match lasted 3 hours and 12 minutes. In the second round, she beat Alizé Cornet.